// JavaScript Document
function mouseChange(){
	if(!document.getElementsByTagName || !document.getElementsByClassName) return false;
	var oDiv = document.getElementsByClassName("nav")[0];
	var aLi = oDiv.getElementsByTagName("li");
	for(var i=0; i<aLi.length;i++){
	/*	if(aLi[i].className == "active"){*/
			var imgs = aLi[i].getElementsByTagName("img")[0];
			
			if((aLi[i].getElementsByTagName("dl").length == 0) || (aLi[i].getElementsByTagName("dl").length == 0)) continue;
			var aDl = aLi[i].getElementsByTagName("dl")[0];
	
			aLi[i].onmouseover = function(){
				aDl.style.display = "block";
				imgs.src = "images/btn-up.jpg";
			};
			aLi[i].onmouseout = function(){
				aDl.style.display = "none";
				imgs.src = "images/btn-down.jpg";

			};
		}/**/
/*	}*/
	
};
addLoadEvent(mouseChange);